body {
    background: black;
    color: white;
}

video {
    display: block;
    margin: 50px auto;
    width: 100%;
    max-width: 800px;
    cursor: pointer;
}

div {
    display: block;
    margin: 0 auto;
}

p {
    text-align: justify;
}

div {
    text-align: center;
}

.centered {
    display: block;
    margin: 0 auto;
    text-align: center;
}

.popup {
    position: absolute;
    display: none;
    top: 22vh;
    left: 0;
    right: 0;
    background-color: black;
    width: 400px;
    padding: 20px;
    border-radius: 30px;
    border: 15px white solid;
}